Looking for advice on finding a legitimate peptide supplier – any recommendations?

Hey everyone,

I've been doing a lot of research on peptides (specifically for NAD+ & GHK-Cu) and I'm genuinely interested in getting started, but I'm running into a wall when it comes to finding a trustworthy supplier.

There seem to be so many options out there, but it's hard to tell which ones are legit vs. which are selling underdosed or mislabeled products. I've seen a few names mentioned in passing but nothing I feel confident about yet.

A few things I'm looking for in a supplier:

- Third-party COAs (Certificates of Analysis)

- Transparent pricing that isn't suspiciously cheap or inflated

- Good reputation in the community

- Reliable shipping and customer service

I'm not looking for anything underground, just a reputable source that the community has had positive, consistent experiences with.

If you've been using peptides for a while and have found a supplier you trust, I'd really appreciate any guidance, even just pointing me in the right direction or letting me know what to look out for when vetting a source.

Thanks in advance!